HD6412350 Hitachi, HD6412350 Datasheet - Page 853

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

MAR1BH — Memory Address Register 1BH
MAR1BL — Memory Address Register 1BL
IOAR1B—I/O Address Register 1B
ETCR1B—Transfer Count Register 1B
Bit
IOAR1B
Initial value
Read/Write
Sequential mode
and idle mode
Repeat mode
Block transfer mode
Bit
MAR1BH
Initial value
Read/Write
Bit
MAR1BL
Initial value
Read/Write
Note: Not used in normal mode.
Bit
ETCR1B
Initial value
Read/Write
:
:
:
:
:
:
:
:
:
:
:
:
In short address mode: Specifies transfer source/transfer destination address
In full address mode: Specifies transfer destination address
In short address mode: Specifies transfer source/transfer destination address
In full address mode: Not used
R/W
R/W
15
31
15
—
—
*
0
*
:
:
:
:
R/W
R/W
14
30
14
R/W
—
—
0
*
*
15
*
Transfer number storage register
R/W
R/W
R/W
13
29
13
—
—
14
0
*
*
*
R/W
R/W
R/W
12
28
12
13
—
—
*
0
*
*
R/W
R/W
R/W
12
11
27
11
—
—
*
*
0
*
R/W
R/W
R/W
11
10
26
10
*
—
—
*
0
*
R/W
10
R/W
R/W
*
25
—
—
9
0
9
*
*
Block transfer counter
R/W
R/W
R/W
9
*
24
—
—
8
0
8
*
Transfer counter
*
H'FEF8
H'FEFA
H'FEFC
H'FEFE
R/W
8
*
R/W
R/W
R/W
23
7
*
*
7
*
R/W
7
*
R/W
R/W
R/W
22
6
*
*
6
*
R/W
6
*
R/W
R/W
R/W
21
5
*
*
5
*
R/W
5
*
R/W
R/W
R/W
20
4
4
*
R/W
Transfer counter
*
*
4
*
R/W
R/W
R/W
19
R/W
3
3
*
*
*
3
*
R/W
R/W
R/W
R/W
18
* : Undefined
2
*
*
2
*
* : Undefined
2
*
* : Undefined
R/W
R/W
R/W
R/W
17
1
1
*
*
*
1
*
DMAC
DMAC
DMAC
DMAC
R/W
R/W
R/W
R/W
16
0
*
0
*
*
0
*
833